Troubleshooting & repair – Lincoln Electric CLASSIC I SVM134-A User Manual
Page 89
TROUBLESHOOTING & REPAIR
F-45
F-45
CLASSIC I
33. Using the rope sling and pry bars, carefully
lift and “wiggle” the generator frame away
from the engine and armature assembly. Be
careful to support the generator frame as you
remove it.
NOTE: The exciter frame is also removed with the
main generator frame.
Reassembly:
Refer to Figures F.13 - F.24 as
needed.
1. Using the rope sling, carefully lift and “wiggle”
the generator frame onto the engine and
armature assembly. Be careful to support the
generator frame as you position it.
2. Using the 9/16” wrench, install the bolts and
lock washers mounting the generator frame to
the engine. Using the 3/4” wrench, install the
frame mounting bolts, nuts, and washers to
the feet of the main generator. Check air gap
– min. .035” for main generator.
3. Using the 7/16” wrench, tighten the main gen-
erator brush bracket clamping bolt. Note the
position of the drill spot.
4. Install the eight brushes against the main
commutator. Observe the positions you noted
during disassembly.
5. Using the slot head screw driver, install the
brush bracket wrap-around cover with two
nuts and screws.
6. Carefully set the front panel assembly into
position. Using the 3/8” nut driver, install the
screw for the lower middle of the front panel.
Using the 9/16” wrench, install the four bolts,
nuts, and washers for the bottom of the front
panel assembly. Then install the two bolts,
nuts, and washers that hold the front panel
assembly to the horizontal rails.
7. Using the 3/8” nut driver, connect the yellow
wire from the oil pressure switch and the
brown wire from the idler solenoid to the idler
switch. Connect the blue wire and the black
wire to the ammeter. See the Wiring Diagram.
8. Connect the white wire to the idler PC board.
Connect the two red wires to the ignition
switch. Connect the “H” lead to the START
button switch. Connect the blue and brown
main shunt leads at their quick disconnect
splices. Connect the black lead between the
idler PC board and the DC exciter.
9. Using the slot head screw driver, connect the
red lead between the 115VDC receptacle
and the DC exciter. Replace any cable ties
cut during disassembly.
10. Using the slot head screw driver, install the
choke control cable to the engine carburetor
assembly, noting placement mark.
11. Using the 3/4” wrench, install the heavy lead
to the positive output terminal and the copper
strap lead and reed switch assembly to the
negative output terminal.
12. Using the 1/2” wrench, install the five heavy
flex leads to the selector switch as labeled
during disassembly.
13. Carefully position the fuel tank to the mount-
ing rails. Using the 9/16” wrench, install the
four nuts, bolts, and washers holding the fuel
tank assembly to the rails. Remove the plug
from the fuel line and attach it to the fuel
bowl.
14. Perform the
15. Carefully set the top and doors assembly into
place. Install the “L” shaped door hooks.
Using the 1/2” wrench, install the four nuts
and bolts holding the case top and doors
assembly to the welder frame.
Install the
rubber gasket to the top.
16. Using the 1/2” wrench, install the negative
battery cable. Slide the battery mounting
panel back into place and, using the 7/16”
wrench, install the two bolts and washers
that secure the panel.
MAIN GENERATOR FRAME REMOVAL
AND REPLACEMENT
(continued)